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     A reader is eager for topographic and geologic maps of this region.
 
     We have three of the four Potaro sheets at 1:200,000/ Geology but not
     the SW sheet. If someone has it in their collection, might we be able
     to get a copy of it?
 
     The area needed is 59 degrees 30' West to 60 degrees west; 5 degrees
     30' north to 5 degrees north.
 
     I:200,000 or better scale [1:50,000 was mentioned by the reader] would
     be terrific. Topographic as well as geologic maps are of interest, and
     the reader will be interested inpurchasing the sheets if they are
     available.
 
     The reader will be on a scientific expedition of some sort, canoeing
     up the Potaro River. If you have anything, please email me at the
     address below.  And, thanks in advance.
 
     Alice Hudson
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